本文整理汇总了Java中javax.swing.JPanel.setFocusCycleRoot方法的典型用法代码示例。如果您正苦于以下问题:Java JPanel.setFocusCycleRoot方法的具体用法?Java JPanel.setFocusCycleRoot怎么用?Java JPanel.setFocusCycleRoot使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.swing.JPanel
的用法示例。
在下文中一共展示了JPanel.setFocusCycleRoot方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: actionPerformed
import javax.swing.JPanel; //导入方法依赖的package包/类
@Override
public void actionPerformed(ActionEvent e) {
JButton button = (JButton) e.getSource();
JCheckBox firstEntry = null;
JPopupMenu popupMenu = new JPopupMenu();
JPanel menuPanel = new JPanel();
menuPanel.setFocusCycleRoot(true);
popupMenu.add(menuPanel);
menuPanel.setLayout(new GridBagLayout());
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.anchor = GridBagConstraints.BASELINE_LEADING;
constraints.weightx = 1;
constraints.gridx = 0;
Set<Integer> visibleColumns = dataPanel.getVisibleColumns();
DataViewTableUIModel dvtm = dataPanel.getModel();
for(int i = 0; i < dvtm.getColumnCount(); i++) {
JCheckBox columnEntry = new JCheckBox(dvtm.getColumnName(i));
columnEntry.setActionCommand(Integer.toString(i));
columnEntry.setSelected(visibleColumns.contains(i));
columnEntry.addActionListener(columnVisibilityToggler);
constraints.gridy += 1;
menuPanel.add(columnEntry, constraints);
if(firstEntry == null) {
firstEntry = columnEntry;
}
}
constraints.gridy += 1;
menuPanel.add(new JSeparator(), constraints);
JCheckBox checkboxItem = new JCheckBox("Fit column width");
checkboxItem.setSelected(dataPanel.getAutoResizeMode() != JTable.AUTO_RESIZE_OFF);
checkboxItem.addActionListener(fitColumnWidthToggler);
constraints.gridy += 1;
menuPanel.add(checkboxItem, constraints);
popupMenu.show(button, 0, button.getHeight());
if(firstEntry == null) {
checkboxItem.requestFocus();
} else {
firstEntry.requestFocus();
}
}